﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data;
using System.Data.SqlClient;

namespace DAL
{
    using DAL.Entities;

    public class DoituongDAL : BaseDAL, UTL.IBaseDAL 
    {
        public int Count()
        {
            throw new NotImplementedException();
        }

        public DataTable Select()
        {
            string sql = @" SELECT * FROM doituong";
            return ExecuteQuery(sql);
        }

        public DataTable Select(object obj)
        {
            throw new NotImplementedException();
        }

        public object GetByKey(object key)
        {
            throw new NotImplementedException();
        }

        public bool Delete(string id)
        {
            string sql = @"DELETE FROM doituong WHERE madt = '{0}'";
            sql = string.Format(sql,id);
            return ExecuteNonQuery(sql) > 0 ? true : false;
        }

        public bool Insert(object obj)
        {
            var o = (doituong)obj;
            string sql = @"INSERT INTO doituong(madt,doituong,tyledong) VALUES('{0}',N'{1}','{2}')";
            sql = string.Format(sql,o.madt,o.doi_tuong,o.tyledong);
            return ExecuteNonQuery(sql) > 0 ? true : false;
        }

        public bool Update(object obj)
        {
            var o = (doituong)obj;
            string sql = @"UPDATE doituong SET doituong=N'{0}',tyledong='{1}' where madt='{2}'";
            sql = string.Format(sql,o.doi_tuong,o.tyledong,o.madt);
            return ExecuteNonQuery(sql) > 0 ? true : false;
        }

        public DataTable Search(string name)
        {
            throw new NotImplementedException();
        }

        public string  Select_max()
        {
            string sql = @"SELECT max(substring(madt,3,LEN(madt)-2)) as id FROM doituong";
            DataTable dt = ExecuteQuery(sql);
            return dt.Rows.Count > 0 ? dt.Rows[0]["id"] + "" : "0";
            
        }



        public bool deleteobj(object obj)
        {
            throw new NotImplementedException();
        }
    }
}
